Motorhome & Trailer Tires Pressue & Safety - Tire Loading Tech
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Retaining the wheels, we upgraded our Apollos to 8R19.5L Bridgestone R187s (33.6-inch diameter), which have a high-heat-resistant compound and sidewall protector ribs. The R187 has load limits of 3,525 pounds at 110 psi (single) or 3,305 pounds at 110 psi (dual): a 20,270-pound total capacity for a 14,500-GVWR motorhome. According to the manufacturer's load and inflation table, running the fronts at 70 psi yields 2,540 pounds per corner; at 75 psi, the rears have a 2,570-pound-capacity per tire. View Related Article
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